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Digital Elevation Models of Juneau and Southeast Alaska: Procedures, Data Sources and Analysis
| 题名： | Digital Elevation Models of Juneau and Southeast Alaska: Procedures, Data Sources and Analysis |
| 作者： | Caldwell, R. J.; Taylor, L. A.; Eakins, B. W.; Carignan, K. S.; Collins, S. V. |
| 关键词： | Tsunamis##Digital elevation models##Alaska##Data sources##Topography##Bathymetry##Morphology##Methodology##Procedures##Juneau(Alaska)## |
| 摘要： | In September 2010, the National Geophysical Data Center (NGDC), an office of the National Oceanic and Atmospheric Administration (NOAA), developed three bathymetric-topographic digital elevation models (DEMs) of Southeast Alaska. The DEMs were developed for the National Tsunami Hazard Mitigation Program (NTHMP; http://nthmp.tsunami.gov/) in support of the State of Alaska's tsunami inundation modeling efforts led by the Geophysical Institute at the University of Alaska at Fairbanks (UAF). The DEMs are nested at 8 arc-second, 8/3 arc-second, and 8/15 arc-second, with the highest resolution grid centered on the harbor at Juneau. The coastal DEMs will be used as input for the university-developed modeling system to simulate tsunami generation, propagation, and inundation (http://www.aeic. alaska.edu/tsunami/). The DEMs were generated from diverse digital datasets in the region (grid sources shown in Fig. 7) and were designed to represent modern morphology. This report provides a summary of the data sources and methodology used to Southeast Alaska DEMs. |
| 总页数： | 72 |
| 报告类型： | 科技报告 |
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